A sample of magnesium metal reacts completely with water via the following reaction: Mg (s) + 2 H2O (l) → Mg(OH)2 (aq) + H2 (g) The hydrogen produced is collected over water at 25.0°C. If the volume of the gas is 7.80L and the pressure is 0.980 atm, calculate the mass of magnesium metal reacted. (Pwater @ 25.0°C = 23.8 mm Hg)
A sample of magnesium metal reacts completely with water via the following reaction: Mg (s) +...
A piece of sodium metal reacts completely with water as follows. 2 Na(s) + 2 H2O(l) 2 NaOH(aq) + H2(g) The hydrogen gas generated is collected over water at 25.0°C. The volume of the gas is 475 mL measured at 1.00 atm. Calculate the number of grams of sodium used in the reaction. (Vapor pressure of water at 25°C = 0.0313 atm.)
Magnesium metal reacts with hydrochloric acid to give hydrogen gas. Mg + 2 HCl → MgCl2 + H2 Use the following reaction information to answer the subsequent questions. Show all of your work. 92 mm Length of Magnesium ribbon: Barometric Pressure: 762.9 mmHg Water Temperature: 29 °C Initial Gas Volume: 0.00 mL Final Gas Volume: 67.35 mL 0.7559 Mass = Length (in mm) x (1000 mm) 1. Magnesium is usually found in the laboratory as a ribbon strip. Find the...
Sodium metal reacts with water to produce hydrogen gas according to the following equation: 2Na(s) + 2H2O(l)2NaOH(aq) + H2(g) The product gas, H2, is collected over water at a temperature of 20 °C and a pressure of 753 mm Hg. If the wet H2 gas formed occupies a volume of 5.60 L, the number of moles of Na reacted was ____ mol. The vapor pressure of water is 17.5 mm Hg at 20 °C.
A sample of zinc metal is allowed to react completely with an excess of hydrochloric acid: Zn(s) + 2 HCl(aq) → ZnCl2(aq) + H2(8) look GO The hydrogen gas produced is collected over water at 25.0°C. The volume of the gas is 8.90 L, and the atmospheric pressure is 0.951 atm. Calculate the amount of zinc metal in grams consumed in the reaction. rint rences (Vapor pressure of water at 25°C = 23.8 mmHg.) gZn
Collecting Gas over water Sodium metal reacts with water to produce hydrogen gas according to the following equation: 2Na(s) + 2H20(1)—>2NaOH(aq) + H2(g) The product gas, H2, is collected over water at a temperature of 25 °C and a pressure of 746 mm Hg. If the wet H2 gas formed occupies a volume of 7.28 L, the number of grams of H, formed is g. The vapor pressure of water is 23.8 mm Hg at 25 °C.
zinc metal reacts with excess hydrochloric acid to produce hydrogen gas according to the following equation: Zn(s) + 2HCl(aq)ZnCl2(aq) + H2(g) The product gas, H2, is collected over water at a temperature of 20 °C and a pressure of 745 mm Hg. If the wet H2 gas formed occupies a volume of 9.32 L, the number of moles of Zn reacted was __mol. The vapor pressure of water is 17.5 mm Hg at 20 °C.
Hydrogen gas can be produced in the laboratory through reachtion of magnesium metal with hydrochloride acid: Mg(s)+2HCl(aq)=MgCl2(aq)+H2(g) what volume, in liters, of H2 at 23.0 celius and 0.980 atm pressure can be produced from the reaction of 12.0 g of Mg with an excess of HCl?
Collecting Gas over Water Aluminum reacts with aqueous sodium hydroxide to produce hydrogen gas according to the following equation: 2Al(s) + 2NaOH(aq) + 6H2O(1)—>2NaAl(OH)4(aq) + 3H2(g) The product gas, H2, is collected over water at a temperature of 20 °C and a pressure of 756 mm Hg. If the wet H2 gas formed occupies a volume of 5.83 L, the number of moles of Al reacted was mol. The vapor pressure of water is 17.5 mm Hg at 20 °C.
Use the References to access important values if needed for this question. Aluminum reacts with aqueous sodium hydroxide to produce hydrogen gas according to the following equation: 2Al(s) + 2NaOH(aq) + 6H20(1)—>2NaAl(OH)4(aq) + 3H2(g) The product gas, H,, is collected over water at a temperature of 20 °C and a pressure of 749 mm Hg. If the wet H, gas formed occupies a volume of 6.55 L, the number of grams of H, formed is g. The vapor pressure of...
A 0.193 g sample of a metal, M, reacts completely with sulfuric acid according to the reaction M(s) + H2SO4(aq) → MSO4 (aq) + H2(g) A volume of 201 mL of hydrogen gas is collected over water; the water level in the collecting vessel is the same as the outside level. Atmospheric pressure is 1.0079 bar and the temperature is 25 °C. The vapor pressure of water at 25 °C is 0.03167 bar. Calculate the molar mass of the metal....